TY - JOUR AU - A. Ren-Kurc TI - Polynomial spline functions and application to approximation in the space with mixed norm JO - Commentationes Mathematicae PY - 1983 SP - 295 EP - 308 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i2.6065/ DO - 10.14708/cm.v23i2.6065 LA - pl ID - 10_14708_cm_v23i2_6065 ER -